Wholesale Dealers of Customized Shape Graphite Sheet - TJN15-12 Indoor high voltage grounding switch – TENPRO

Outline

The performance of TJN15-12 type indoor high voltage grounding switch conforms to the requirements of GB1985-89 AC High Voltage Isolating Switch and Grounding Switch and IEC129. It is suitable for the power system of 12KV and below AC 50Hz, and can be used with various types of high voltage switchgear for earthing protection.

Advanced design, reliable technical performance;

Simple structure, convenient installation and debugging;

Fast separation and combining ability.

Environmental condition

Altitude not exceeding 1000m;

Ambient air temperature: upper limit 40 ℃, lower limit -10 ℃

Allow storage and transportation at 30 ℃;

The seismic intensity does not exceed 8 degrees;

No flammable, explosive, severe dust, chemical corrosion and violent vibration site.

Main technical parameters

Item

Unit

Data

Rated voltage

KV

12

Rated short-time withstand current

KV

31.5

Rated short time withstand time

s

4

Rated short-circuit closing current

kA

80

Rated peak withstand current

kA

80

Interpolar center distance

mm

150;210;275

Rated insulation level

1min power frequency withstand voltage

kV

To the

ground, phase//phase

42/48  75/85

Lightning impulsive withstand voltage

Outline overall and installing dimensions

Type specification L E C
TJN15-12/31.5-210 655 210 516
TJN15-12/31.5-230 710 230 556
TJN15-12/31.5-250 760 250 596
TJN15-12/31.5-275 810 275 646

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